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Table 2 A literature survey of the relationship between the presence of the luxS gene and QS-2 dependent behavior in bacterial species without a luxP- or a lsrB-gene homolog in their genome for which a metabolic role was hypothesized in at least one work.

From: Lack of genomic evidence of AI-2 receptors suggests a non-quorum sensing role for luxS in most bacteria

  Talka Listena Answerb   
Strain luxS luxP lsrB AI-2 related phenotype Chemical compl.c References
Actinobacillus pleuropneumoniae + - - none -/SN [88]
Borrelia burgdorferi + - - C -/SN [89]
     C nd [90]
     C +/DPD [91]
     none nd [92]
     none nd [41]
Clostridium difficile + - - H -/AI-2 [93]
     C +/SN [94]
Erwinia amylovora + - - none -/SN [95]
     C nd [96]
Helicobacter pylori + - - C nd [97]
     C nd [98]
     none nd [99]
     C nd [100]
     none nd [101]
Lactobacillus rhamnosus + - - d none -/DPD [102]
Listeria monocytogenes + - - none -/SN [103]
     none -/AI-2 [104]
Neisseria meningiditis + - - C nd [105]
     none -/AI-2 [106]
Proteus mirabilis + - - none nd [107]
Serratia plymuthica + - - none nd [108]
Staphylococcus aureus + - - none -/SN [109]
Streptococcus mutans + - - C +/AI-2 [50]
     C +/SN [49]
     C nd [110]
     none nd [111]
Streptococcus pyogenes + - - none -/SN [112]
     C nd [113]
     C nd [114]
Vibrio angustum + - - none nd [39]
  1. A more detailed description of the findings of the papers cited herein is available as additional file 1 (Table 1s).
  2. a +: positive (>50% protein identity); (+): positive (<50% protein identity); -: negative (<30% protein identity);
  3. b C: claimed; H: hypothesized;
  4. c +: successful complementation; -: unsuccessful complementation; nd: not determined; AI-2: complementation with pure autoinducer; DPD: complementation with precursor; SN: complementation with co-culture or conditioned supernatants of luxS-positive strain;
  5. d Hypothesized on the basis of the genomes of 47 fully sequenced Lactobacillales (all lsrB-negative).